Add wrapper for old termio interface

diff --git a/include/termio.h b/include/termio.h
index 9e26956..0e610f0 100644 (file)
--- a/include/termio.h
+++ b/include/termio.h
@@ -1 +1,6 @@
+/* Compatible <termio.h> for old `struct termio' ioctl interface.
+   This is obsolete; use the POSIX.1 `struct termios' interface
+   defined in <termios.h> instead.  */
+
 #include <termios.h>
+#include <sys/ioctl.h>